Demountable rim and its cooperating felly



March ify 1930. F. w. SCHMIDT I 1,749,353

DEMOUNTABLE RIM AND ITS COQPERATING- FELLY Filed March 19, 1925 5'ue/nto@ A Patented Mar. 4, 1930 UNITED STATES PATENT OFFICE FRANK W.SCHMIDT, or Monson, nionronn, knssieiion 'ro GENERALI/ torensooitroRATion, or nnraorr, ivrionieen, a oonnonarron OFVDELAWAREDEMOUNTABLE RIM Ann irsooornna'rins FELLY Application filed March 19,1925. Serial No. 16,689.

This invention relates to improvements in Vdemountable rims and theircooperating fellies.

It is an object of the invention to provide a telly Which may be easilyformed and is adapted for cooperation With the rim securing means in avery simple manner. ln the form ot' invention disclosed, Iliave soconstructed the telly that the rim securing means has cooperation withonly one portion thereof, which portion may be very easily shaped.

It is a further object of my invention to provide a folly which Willpermit more ettective seating and, preferably, centering of the rim uponthe telly preparatory to the rim securing operation.

Another object of my invention is to so modify a felly of usual sectionthat it may be adapted for use with the Wider rims nov in vogue. rlfhisadaptation is further facilitated by a modification ot the rim tocooperate With the 'telly in a novel manner.

Referring to the drawings:

Figure 1 is a side elevation oi. a portion ot an assembled rim and tellf made in accordance With my invention;

Figure 2v is a section on the line 2 2 ot Figure 1;

Figure 3 2; While l Figure 4 is a sectionalv view ot' a moditiecconstruction.

On the drawing, 1 indicates the rim ivhich, in the iorm shown, isprovided with a harige termed into a gutter for the reception et theusual tire securing means 3. The te" 4 is formed with upstandingportions or legs, 5 indicating the front leg and 6 the rear leg. Theback leg is flanged over as at 7 to proso is a section on line 3-3 otFigure l vide a seating and centering means 'for the rim. The base ofthe feliy is preferably dropped as at 8 adjacent the front leg 5 inorder to provide said iront leg with sutilcient Width so that it mayeffectively serve as a seat in connection With the rim clamping means.ln the embodimenty shown, this rim clamping means comprises a bolt 9passing through apertures in the iront and back legs oii the -telly andserving, when its nut 10 is vdra-Wn up, to hold the Yrim securing meansor member 11 in operative position. Thismem lber 11. is provided With arim engaging por- .15 constituting continuations'of the bolt'receivingopening.

1t will thus be that as the nutlO is the rim and force it intoengagement With the Atelly. lt will thus be seen that' the member 11 hascooperation solely with the front leg ot lthe telly and that thisportion ot the telly is most easily formed into desired shape. It Willnovv be seen that the provision of the drop'base portion 8 enables anincrease in Width ot the `front leg 'of the telly ot such extent as toenable the use of a rocking rim securing memberY of such dimensions asto ali'ordV a proper amountof leverage; l

In order to adapt the felly for cooperation With the Wider rims such asare now coming intouse I resort to the following devices. It Will beobserved that the rim 1 is provided tightened therim securing member 11will vbe rocked on its ulcrum 13, the guide portions a will be forcedinto the sockets 15 and the rim-engaging portion `12 V.will engage witha bead 16 and, as shown in Figure 2, the

flange 7 ofthe telly has engagementwith this bead instead of with thecustomary rim flange shown at 17. This permits the rim to extendslightly beyond the back side of the telly. As the. rim is, as abovestated, provided With the usual Harige 17 which customarily serves as acentering surface, it will be notedthat the rim has tivo centering meansspaced transwill be noted that the turned-down portion of the front legof the felly is formed back as at 19 in order to clear the rim securingmember 11 and give it suicient play for its clampin action.

eferring again to Figure 2, it will be noted that the bolt 9 is inclinedwith respect to the Wheel axis. This permits a compact and effectiveassembly and brings the head of the 10 bolt in contact with the flange 7of the felly, and, since the head of the bolt is shaped to conform tothe flange, the bolt is locked against rotation.

I have also provided a very simple and cheap means for driving the Wheelrim. This means comprises a U-shaped member 2O secured to the under sideof the rim and straddling the bolt 9 which constitutes the drivingmember.

In the modification shown in Figure 4, the same reference charactersrefer to the same parts as in the preferred form.

This modification is distinguished from that form in that theturned-down portion 18 of the front leg of the felly is omitted and therim is not provided with the bead 16. It will also be observed that thebolt 9 of the modification is not inclined as in the form shown inFigure 2.

While several illustrative embodiments of my invention have been shownand described, it is notr my intention to limit the scope of theinvention to those embodiments, or otherwise than by the terms of theappended claim.

What I claim is:

A Wheel felly comprising a base portion, and radial side flanges spacedapart from one another and extending outwardly from said base; theperiphery of the inner one of said flanges being shaped to receive andsupport the inner side of a rim, and the inner part of the outer of saidfianges serving as a fulcrum for clamps for securing a rim in place uponthe felly; the base of the felly Where it merges with the outer of saidside flanges being depressed inwardly and toward the axis of the wheelto thereby provide a continuous circumferent-ially extending ridgedepending from the base whereby fulcrums for the 9 clamps aforesaid areprovided which lie inside the base and nearer the axis of the Wheel thanthebase.

In testimony whereof I aiix my signature.

FRANK WV. SCHMIDT.

